Window



Patented Apr. 22, 1924.

UNITED STATES nausea PATENT OFFICE..

ARTHUR H. BALLARD, or BOSTON, MASSACHUSETTS.

WINDOW.

Application mea July 24, 192s. serial No. 653,499.

,in windows and is herein shown as embodied in a car window, although as to certain of its features it may have application to widely different uses.

The invention will be best understood by reference to the following description of one specific embodiment thereof, while its scope will be more particularly pointed in the appended claims.

In the drawings,-- i y Fig. 1r is a sectional plan, partly broken away, showing a window sash in relation to the principal cooperatingparts carried by the frame;

Fig. 2 lis a sectional elevation, partly broken away, taken on the line 2-2 in Fig. l' and i ,Fig 3 isa fragmentary rear elevation of the window shown in Fig. 2.

Referring to the drawings and to the illustrative embodiment'y of the invention therein illustrated, I have shown one form of the invention embodiedin a railroad car window having a sash composed of the upright sash members 5 and the horizontal 'upper and lower connecting sash members 7.

f The sash may be equipped with a single sheety or pane of window glass, but herein it is furnished with two or more panes 9 which l are permanently set in the sash, rendering the intermediate space as air tight as ordinary processes of `construction permit, and providing a substantial, hermetically sealed, air insulation space, while leaving but two surfaces to be' washed.

The windowy construction herein disclosed further comprises tlie'frame 11 presenting vertical channels or runways in whichthe sash is freely slidable, the width .of the runways for their entire length being substantially greater than the thickness of the sash, and the sash also preferably. fitting the frame loosely at its edges soas to eliminate any substantial friction in the movement of the'sash and to permit the latter to be freely raised or lowered without friction, as hereafter'described. i*

To provide an eiicient weatherproof joint between the sash and the frame which is adapted to exclude moisture, dust and cold,

while leaving the sash in such a condition as to be freely raised orlowered, the frame outside the sash is providedy with seal-forming parts which extend around the outside of the sash and comprise a weather strip lining 13 presenting to a cooperating part on the outside of the window sash a seal-forming seat 15. The latter may be constructed 'in various ways and of various materials,

such as felt, cloth, copper or other soft metal, but herein it consists of a strip of rubber or other resilient material cooperating with a projecting seating member or strip 17 on the opposing surface of the sash, the seating member herein comprising a metallic strip'having a raised edge adapted to' be pressed into thev rubber or other seal-forming seat 15 and formtherewitli at the two sides and top andA bottom an efficient weatherproof joint. f

It will be seen that the oversized runways permit the sash to have an` appreciable movement of translation laterally or peri pendicularly to the plane of the sash. To

seal the rjoint when the window sash is lowered, means are preferably provided to force the sash towardthe seal-forming seat and embed the seating-member 17 in the resilient strip so that the entire surrounding weatherproof joint is closed. Various means maybe employed for'this purpose, but herein I have illustrated a plurality of cam devices 19 Aeccentric'ally ypivoted in recesses in .the frame 11 at each side thereof and adapted each to bear with its peripheral edge againstl the upright sash members. means may be utilized to turn the cam members land thereby avail of their eccentric mounting to engage the periphery thereof with the sash and force the latter outwardly vto its weatherproof seat. v Herein the pe- Any seating member on the sash from the resilient frame seat, so that the window sash may be readily raised in its wide runways without substantial friction. For that purpose I have herein shown for illustrative purposes bearing members at each side of the frame Vcomprising each a resiliently n'iounted upright bearing strip or plate 25 mounted in a recess of the frame and presenting its inner, flat face to the outer face of each of the upright sash members 5. This bearing plate is provided with side flanges 27 and yis engaged at intervals by limiting pins 29 which pass throughk the plate iiafnges and permit a limitedV movement only of the plate toward and away from the sash. The plate is yieldingly pressed toward the sash by any suitable means, as, for example, a plurality of coiled compression springs 31, which are located in recesses in the frame arranged at intervals and adapted to press the plate outwardly toward the window sash. l/Vhen the sash is forced laterally against its weatherproof joint, the two sides of the sash press the bearing plates back, compressing the springs 31. When it is desired to raise or lower the window the cams are turned to release the sash from the weatherproof seat and the compression springs, acting through the bearing plates, force the seating member 17 on the sash out of contact with the resilient strip 15. This leaves the sash free to bc raised without friction. Vhile the sash is beingl raised, the rails 25 also serve to guide the sash and prevent undue lost motion. The limiting pins 29 preferably limit the movement of the late so that when the cams have been turne to entirely free the sash, the latter has a slight lateral play, the plate not quite touching the inner face of the sash, although, if desired, the parts may be so arranged as to permit the guide rail to press lightly against the sash. This leaves the sash free to be raised or lowered in the laterally oversized runways without any substantial opposing friction.

Vhen the sash is raised it may be held either partly or fully raised by being pressed against the seal-forming parts, this being accomplished by turning the cams 19, or, if desired, additional window clamping devices (not shown) may be employed.

To permit the sash to be thus clamped in any partly or fully raised position, the upright seal-forming seating strips 13 and 15 arel extended in the sash framing to whatever height as may be necessary to present a seating surface 15 to each projection 17 on the sash when the latter is raised, and the cams 19 are so located to present one or more sets of cams to be utilized to clamp the sash to its seat in either the closed, the partly raised cr fully raised position.

The illustrated form of window is herein shown equipped with a roller shade or curtain 33 of any suitable type, the same being mounted to slide for guidance in grooves 35 formed in the upright strips 37, the latter secured to the frame on the inside of the shade.

It will be seen that through the use of double panes giving the intermediate insulation space, combined with the seal-forming parts and wide runways, there is provided a window having a single sash only, capable of being raised or lowered without friction, and adapted when closed to be forced to a weatherproof seat, presenting through the seal-forming parts and the aforesaid air in. sulation space a structure which has a weather resistance equal to that of the double windows customarily employed.

lVhile I have herein shown for the purposes of illustration one specific embodiment of the invention, it is to be understood that the same is not limited to the form and relative arrangement of parts, or the mechanical details thereof or the specific application herein made of the same, but that extensive deviations from the illustrated embodiment of the invention may be made without departing from the spirit thereof.

Claims:

1. A window having a sash provided with a plurality of panes permanently set therein to provide between them an insulating space, a frame presenting over-sized guideways in which said sash is freely slidable permitting said sash to have a substantial, lateral movement, seal-forming parts between the frame and the outside of the sash and extending around the latter when the sash is closed, the same comprising a seat of yieldable material and a cooperating projecting seating strip carried one b'y the frame and the other by the sash, cam devices mounted inthe Yframe on the opposite side of the sash and adapted to be moved to engage the sash and force it laterally to its yieldable seat, resilient means to move the sash oppositely when the cam pressure is withdrawn and thereby free the sash from engagement with said seat and permit it to be raised and lowered in its over-sized guideways without substantial friction, said means comprising resiliently mounted bearing plates adapted one to engage each outer upright face of the sash, springs to force the plates toward the sash, and devices to limit the movement of said plates toward the sash. A

2. A window having a sash adapted to be raised from or lowered to a closed position, a frame having guideways in which the sash is freely slidable and permitting a substantial lateral in and out movement of the sash, said guideways presenting fixed guiding walls to the edges and inner walls of the sash, a weatherproof joint ycomprising seal-forming parts on the sash extending entirely around the outside of the wardly when the sash is lowered to close the n joint, devices comprising fiat bearing members adapted to engage each outer side wall only of the sash, resilient means tending to move said bearing members toward the sash and carry the sash inwardly when the forcing pressure is withdrawn, and limiting members to limit the inward movement of said bearing members when the sash is relieved of the pressure while being raised andv lowered.

3. A window having a sash adapted to be raised from or lowered to a closed position, a frame presenting runways having fixed guiding walls in which said sash is freely slidable, the latter being permitted a substantial lateral in and out movement in said frame, a weatherproof joint comprising a yieldable seat and cooperating seating member, one carried by and extending entirely around the sash and the other carried by the frame, said seat and seating member being adapted to register when the sash is lowered and closed, devices associated with the sash and the frame for forcing the sash to move, when closed, to close the joint, movable bearing members engaging each outer side wall of the sash, the inner side walls thereof being adapted to engage with fixed walls of the runways, and resilient means tending to move said bearing members toward the sash and carry the latter inwardly when the forcing pressure is withdrawn.

a. A window having a sashy adapted to be raised from or lowered to a closed position, a frame having runways with fixed guiding walls in which the sash is freely slidable and in which it is permitted a substantial in and out movement, seal-forming parts between the sash and the frame and extending entirely around the sash when the latter is lowered and closed, devices for forcing the sash laterally to close the joint at said sealforming parts, bearing members adapted to engage each outer side wall of thesash, the

inner side walls thereof being adapted toy engage with xed guide walls of the run-` ways, and means tending to move said bearing members toward the sash and carry the latter inwardly when the forcing pressure is withdrawn.

5. A window having a sash, a frame presenting runways in which said sash is freely slidable, the sash being permitted a substantial lateral movement in said frame, sealforming parts between the sash and the frame and extending around the sash when the same is closed, devices for forcing the sash laterally to close the joint at said sealforming parts when the sash is closed, and devices comprising bearing members cooperatively related to the outer side walls only of the sash and provided with resilient means acting normally to move the sash laterally and inwardly.

6. A window having a sash, a frame presenting runways in which said sash is freely slidable, the sash being permitted a substantial lateral movement in said frame, sealforming parts between the sash and the frame and extending around the sash when the latter is closed, devices for forcing the sash laterally to close the joint at said sealforming parts when the sash is closed, devices comprising flat bearing members eooperatively related to the outer side walls of the sash and provided with resilient means acting normally to move the sash laterally and inwardly, the inner side walls of the sash being engageable with fixed walls of said runways, and limiting devices engaging each of said bea-ring members to limit the inward movement thereof.

'7. A window having a sash, a frame presenting oversized guideways in which the sash may be raised and lowered without substantiai friction and in which it may be permitted a substantial lateral in and out movement in either a raised or lowered position7 seal-forming parts between the frame and the sash, a fiat bearing plate mounted in the guideway at each side of the sash to engage the outer side wall thereof, said plate being spring-pressed toward the sash and having means to limit its inward movement, said guideways presenting fixed guiding walls to the inner walls of the sash, and a plurality of devices arranged in the frame at each side of the sash and adapted to force the latter as a whole toward and against said bearing plates and to close the joint at the seal-forming parts when the sash is close 8. A window having' a sash adapted to be raised or lowered and provided with a plurali-ty of panes set therein to provide between them an insulating space, a frame having guideways in which the sash is freely slidable and in which it is permitted a substantial lateral in and out movement, sealforming parts between the sash and the frame and extending around the sash when the latter is closed, devices to force the sash to move, when closed, to close the joint at the seal-forming parts, and bearing devices adapted to engage each outer sidewall of the sash and acting normally to force the sash laterally to open the joint, the inner side walls of the sash beingsubject to engagement with fixed walls of the guide/ways, said first mentioned forcing devices coacting with the frame to hold the sash in an elevated position when the latter is raised and opened. y

n testimony whereof, I have` signed my name to this specification.

ARTHUR H. BALLARD.

llt) 

